4. If the function f(x) is defined by f(x)==-6 then which of the following is the value of ƒ (10)? (1)-1

(2) 2

(3) 14

(4) 7

Taking algebra two apex courses and need with these questions

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.